Pumps – One fluid pumped by contact or entrainment with another – Aerated column
Patent
1985-10-22
1987-02-24
Croyle, Carlton R.
Pumps
One fluid pumped by contact or entrainment with another
Aerated column
417109, 417121, F04F 118, F04F 300
Patent
active
046454276
ABSTRACT:
An air lift pump delivers liquid from a sump to an elevated tundish. The tundish is divided by weirs into a plurality of compartments in cascade. Surplus liquid overflows from the upper compartments back to the sump to produce a constant depth in the lowest compartment. A second air lift pump operating at a predetermined immersion depth delivers a steady flow of liquid from the lowest compartment.
REFERENCES:
patent: 532699 (1895-01-01), Pohle 417109
Croyle Carlton R.
Olds Theodore
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